Dataset: All Collections
Taxa: Pilularia americana (Calamistrum americanum, Calamistrum mandonii, Pilularia mandonii, Pilularia valdiviana)
Search Criteria: California; excluding cultivated/captive occurrences

Page 1, records 1-100 of 219

Arizona State University Vascular Plant Herbarium


ASU:Plants
ASU0083314James Hendrickson   32561969-05-16
United States, California, Riverside, 6 miles W of Murrieta on Colorado Mesa of Santa Rosa Plateau near large vernal pool, 33.537531 -117.313177

ASU:Plants
ASU0083313Robert F. Thorne; E. Lathrop, et al.   379661969-05-19
United States, California, Riverside, Santa Rosa Plateau: N end of large vernal marsh, Mesa de Colorado, Rancho California, 33.506427 -117.28323, 625m

Bernice P. Bishop Museum (Herbarium Pacificum)


BISH-BPBM:BISH
403707Thorne, R.F. Lathrop, E.   Collector Number: 379191969-05-12
United States, California, Riverside County. Santa Rosa Plateau. On south end of Mesa de Colorado, Rancho California., 625m

Duke University


DUKE
DUKE10155337   
United States, California, Riverside

iNaturalist Fern Observations


iNaturalist
21472243saholmquist   2019-03-14
United States, California, 32.949017 -117.165794

iNaturalist
3162215David Greenberger   2016-05-08
United States, California, 38.267987 -121.824434

iNaturalist
3766441David Greenberger   2016-07-29
United States, California, 37.958656 -122.611732

iNaturalist
7597654David Greenberger   2017-08-21
United States, California, 37.94775 -122.602829

iNaturalist
117017387Shane Hanofee   2022-05-11
United States, California, 40.375766 -122.020876

iNaturalist
111589415Matt Berger   2022-04-11
United States, California, 38.764667 -121.350136

iNaturalist
115688733Krissa Klein   2022-05-05
United States, California, 38.365908 -122.512208

iNaturalist
110320158Shane Hanofee   2022-04-03
United States, California, 38.765827 -121.340071

iNaturalist
112484494Krissa Klein   2022-04-22
United States, California, 38.366068 -122.512118

iNaturalist
107657560Tim Messick   2022-02-27
United States, California, 38.272935 -121.828014

iNaturalist
100604239Forrest Freund   2017-05-08
United States, California, 38.272394 -121.827137

Indiana University


IND
IND-0002602Lowell Ahart   40321983-06-06
United States, California, Butte, Peter Ahart Ranch, ca. 2.5 mi. NE of Honcut, 39.353083 -121.512059, 50m

Lundell and University of Texas at Austin herbaria


TEX
00510614Lowell Ahart   40321983-06-06
United States, California, Butte, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut.

TEX
00510616Barbara Ertter   61021986-05-11
United States, California, Calaveras, Just S of Valley Springs, Hwy 26, field across from jct. Hogan Dam Rd.

TEX
00510618Barbara Ertter|Lowell Ahart   58951986-04-13
United States, California, Butte, Ca. 2 airmiles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch (mostly used as sheep pasture).

TEX
00510619William A. Weber   83961953-05-19
United States, California, Placer, 5 mi. N of Roseville on road to Lincoln.

TEX
00510620T. S. Brandegee   33761903-05-25
United States, California, San Diego, Ramona.

Miami University, Willard Sherman Turrell Herbarium


MU
000025879Brandegee, K.   s.n.1909-04-24
United States, California, Contra Costa County, Between Antioch and Marsh Creek, Briones Road. Recently dessicated vernal pools; adobe soil., 37.910289 -121.81588

MU
000025955Brandegee, K.   s.n.1909-04-24
United States, California, Contra Costa County, Between Antioch and Marsh Creek, Briones Road. Recently dessicated vernal pools; adobe soil., 37.910289 -121.81588

MU
000109674Thorne, R.F.   438541973-05-23
United States, California, Riverside County, Santa Rosa Plateau: Wet margin of large vernal pool N side of Mesa de Colorado., 33.5058 -117.284751

Michigan State University


MSC
MSC0269177Thorne   379661969-05-19
United States, California, Riverside, Anza; Santa Rosa Plateau, Mesa de Colorado, Rancho California, 33.506427 -117.28323, 625m

Missouri Botanical Garden


MO
14520Lowell Ahart   39691983-05-12
United States, California, Butte, Along the power line, ca. 0.5 mi ne of jct of Hwy 99 and Pentz Rd, ca. 16 mi s of Chico. Valley Grassland; 65 m., 65m

MO
14704Lowell Ahart   40321983-06-06
United States, California, Butte, Peter Ahart Ranch, ca. 2.5 mi ne of Honcut. Valley Grassland; 50 m., 50m

MO
37325Mary Susan Taylor   23961980-03-28
United States, California, Butte, T22N R2E E center sec 31. Vernal pool area in Valley Grassland, just E of Chico, NE corner of jct of Notre Dam Blvd and the Skyway, ca. 1/8 mi E of Hwy 99., 69m

MO
35276Mary Susan Taylor   16051978-05-07
United States, California, Butte, In and around Richvale vernal pool area, ca. 20 mi S of Chico, on W side of Hwy 99; Valley Grassland., 30m

MO
38249Mary Susan Taylor   20021979-05-06
United States, California, Butte, Peter & Lowel Ahart Ranch, Honcut; Valley Grassland.

MO
14552Lowell Ahart   45881984-05-07
United States, California, Butte, T22N R4E sec 31. Ca. 0.5 mi N of Kunkle Reservoir, along Kunkle Creek, ca. 2 mi S of Paradise, E side of Pentz-Magalia Hwy. Foothill Woodland; 600 m., 600m

MO
14576Lowell Ahart   46031984-05-12
United States, California, Butte, T17N R4E. Peter Ahart Ranch, ca. 2.5 mi NE of Honcut, ca. 12 mi S of Oroville. Valley Grassland; 50 m., 50m

New York Botanical Garden


NY
03812939L. Ahart   s.n.1978-05-15
United States of America, California, Butte Co., Peter Ahart Ranch, Honcut, 50m

NY
3812941K. L. Chambers   28431967-05-14
United States of America, California, Placer Co., Highway 99E, 1.3 miles south of Sheridan. In ditch between highway and railroad.

NY
3812944J. R. Shevock   70151980-04-20
United States of America, California, Tulare Co., The Sierra Nevada. Along highway 190, 1/4 mile west of the Springville Ranger Station, (USFS) [United States Forest Service?], 36.100773 -118.850107, 244m

NY
3812945K. Brandegee   s.n.1909-04-24
United States of America, California, Contra Costa Co., Between Antioch and Marsh Creek, Briones Road.

NY
3812946F. M. Cota   328
United States of America, California, San Diego Co., Camp Kearney Mesa, 152m

NY
3812948C. R. Orcutt   s.n.1884-06-10
United States of America, California, Mesas

NY
3812959K. Brandegee   s.n.1909-04-24
United States of America, California, Contra Costa Co., Between Antioch and Marsh Creek, Briones Road

NY
3812960F. Chisaki   6911956-04-20
United States of America, California, Placer Co., Antelope (on Roseville Road, just north of Sacramento-Placer County line)

NY
3812961R. F. Thorne   379191969-05-12
United States of America, California, Riverside Co., Santa Rosa Plateau: Marsh on south end of Mesa de Colorado, Rancho California., 625m

NY
3812962B. Ertter   35371980-05-26
United States of America, California, San Diego Co., Vernal pool in vacant lot on northwest side of Highway 67 in Ramona., 427m

NY
3812964L. C. Wheeler   39111935-08-22
United States of America, California, Modoc Co., In shallow water & shore, South Mt. Reservoir, Devil's Garden., 41.800764 -120.635589, 1524m

NY
3812965C. R. Orcutt   s.n.1884-06-10
United States of America, California, Mesas

NY
3812966R. F. Thorne   379191969-05-12
United States of America, California, Riverside Co., Santa Rosa Plateau: Marsh on south end of Mesa de Colorado, Rancho California., 625m

NY
3812967D. G. Nelson   3011935-04-15
United States of America, California, Orange Co., On road from Garden Grove to Costa Mesa converging, near Costa Mesa, toward the main highway from Santa Ana. Vernal rain pools in flat grain field.

NY
3812968B. Ertter   61021986-05-11
United States of America, California, Calaveras Co., Just south of Valley Springs, Highway 26, field across from junction Hogan Dam Road., 213m

NY
3812969L. Ahart   s.n.1978-05-15
United States of America, California, Butte Co., Peter Ahart Ranch, Honcut, 50m

NY
3812970B. Ertter   82761989-04-22
United States of America, California, Merced Co., Flying M Ranch ca 10 air miles northeast of Merced. Northwest of Burns Creek., 37.396166 -120.278378, 94m

NY
3812971F. M. Cota   13281932-04-00
United States of America, California, San Diego Co., Winter pools (one location only), Camp Kearney Mesa, near San Diego

NY
3812972J. T. Howell   253571949-07-07
United States of America, California, Marin Co., Strand of Lake Lagunitas.

NY
3812973J. T. Howell   41761929-04-20
United States of America, California, Merced Co., Flats 2 miles northwest of Merced on Oakdale Road.

NY
3812974F. M. Cota   328
United States of America, California, San Diego Co., Camp Kearney Mesa, 152m

NY
3812976C. L. Hitchcock   63551940-05-12
United States of America, California, San Joaquin Co., In drying vernal pool, 3 miles south of Galt., 38.211142 -121.299949, 16m

NY
3812977M. K. Curran   s.n.1884-00-00
United States of America, California

NY
3812978C. R. Orcutt   s.n.1886-04-12
United States of America, California, Near Santo Tomas Mission. Lower California.

NY
3812979K. Brandegee   61889-04-00
United States of America, California, Colusa Co., 39.177573 -122.237028

NY
3812980K. Brandegee   51889-05-00
United States of America, California, San Diego

NY
3812982C. R. Orcutt   s.n.1884-05-08
United States of America, California

NY
3812983F. M. Cota   13281932-05-00
United States of America, California, Winter pools, Camp Kearney Mesa, near San Diego., 152m

NY
3812984T. S. Brandegee   33761903-05-25
United States of America, California, San Diego Co., Ramona, in clay depressions.

NY
3812985L. L. Kiefer   5181963-05-05
United States of America, California, San Diego Co., North of City of San Diego, Kearney Mesa, hwy. 395, ca. 1/8 miles south of Murphy Cyn. Rd. intersection, just west of hwy., 122m

NY
3812986B. Ertter   34951980-05-23
United States of America, California, San Diego Co., Kearny Mesa at north edge of San Diego, northeast of junction of Clairemont Mesa Boulevard and Highway 163., 137m

NY
00199571D. K. Christopher   2302003-04-21
United States of America, California, Butte Co., Off Hwy 99. Ahart Family Ranch along boundary on access road and edge of field, 39.343617 -121, 41 - 41m

NY
04200076L. Ahart   83782000-05-21
United States of America, California, Butte Co., The Cherokee Mine, on the east side of Clark Road (Highway 191), about 200 yards south of Dry Creek, about 10 miles (air) northwest of Oroville., 61m

Oregon State University Vascular Plant Collection


OSC:V
OSC-V-006101Kenton L. Chambers; Robert Ornduff   28431967-05-14
United States, California, Placer, Hwy. 99E, 1.3 mi. south of Sheridan.

OSC:V
OSC-V-006095Louis C. Wheeler   39111935-08-22
United States, California, Modoc, South Mt. Reservoir, Devil's Garden.

OSC:V
OSC-V-006099June McCaskill   7251967-05-12
United States, California, Solano, North side of Maine Prairie Road, .4 mile east of its junction with Rio-Dixon Road, ca. 8 miles south of Dixon.

OSC:V
OSC-V-006100Robert F. Thorne; Earl Lathrop   379191969-05-12
United States, California, Riverside, Santa Rosa Plateau: large verl marsh on S end of Mesa de Colorado, Rancho California. At N margin., 625m

OSC:V
OSC-V-006096Steve Boyd; Lauren Raz, Mike Kinney   101041998-03-17
United States, California, Los Angeles, Liebre Mountains Region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon.; Elevated bench on north side of canyon., 610m

Smithsonian Institution, National Museum of Natural History


US
US 2019236R. F. Hoover   52741941-05-31
United States, California, 8 miles north of Madera, Madera County

US
US 1625485M. K. Brandegee   s.n.1909-04-24
United States, California, Between Antioch and Marsh Creek, Briones Road, Contra Costa County

US
US 3621738R. F. Thorne & E. W. Lathrop   379191969-05-12
United States, California, Riverside County, Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho Califronia, in wet mud and shallow water at N margin, 625m

US
US 984252I.M. Johnston   341917-04-08
United States, California, Red Hill, near Upland, dessicating pool on clay mesa

US
US 591536C. R. Orcutt   671884-05-08
United States, California, San Diego, Mesas

US
US 1736907A. Eastwood & J. T. Howell   42011937-05-02
United States, California, Near Estrella, San Luis Obispo Co.

US
US 1735107E. Purer   72111937-04-01
United States, California, County: San Diego, under water, vernal pool, near Route 395, Camp Kearney Mesa

US
US 1071619A. Eastwood   s.n.1921-04-10
United States, California, Willows, Glenn Co.

US
US 3206205L. R. Heckard   24851971-04-15
United States, California, Contra Costa County, very low moist mud, in field at intersection of Holey Road, south of Byron

US
US 1567958F. Cota   13281932-05-00
United States, California, Found in winter pools, Camp Kearney Mesa, near San Diego, sunny location, very rare, 152m

US
US 2948658W. L. Jepson   151741929-03-29
United States, California, Madera County, beds of former winter pools, 75m

US
US 2135344E. K. Crum   21261941-04-25
United States, California, San Joaquin Valley, in pure colonies or associated with Isoetes and Juncos; moist adobe soil, depression in "hog wallow"plain, one mile northeast of Planalda, Merced County, 73m

US
US 1654289H. Tracy   s.n.1935-04-10
United States, California, North of Costa Mesa, Orange County, in vernal pool

US
US 1489210J. T. Howell   41761929-04-20
United States, California, Muddy flats recently covered by water of rain-pond, 2 miles nw. of Meced on Oakdale Road, Merced Co.

US
US 2203445F. Chisaki, R. Bacigalupi & T. Robbins   6911956-04-20
United States, California, In wet mud of vernal pool, Antelope (on Roseville Road, just north of Sacramento-Placer County line) in Placer County

US
US 3417384J. H. Weiler & R. Bacigalupi   60111960-04-04
United States, California, 5.2 miles southeast of Planada in vernal pool along Santa Fe Railroad tracks, Merced County

US
US 1567959F. Cota   14481932-03-00
United States, California, Found in winter pools, Camp Kearney Mesa, near San Diego, sunny location

US
US 1103156I.M. Johnston   341907-04-08
United States, California, Southern California, San Bernardino County, Red Hill, near Upland

US
US 1089439P. A. Munz   5087
United States, California, Southern California, 3 mi. south-west of Elsinore, 381m

US
US 444292T. S. Brandegee (herbarium)   33761903-05-25
United States, California, Pacific Coast, Romona, San Diego County, in clay depressions

US
US 1489212J. T. Howell   47091930-04-13
United States, California, Bed of former pool, Valley Springs, Calaveras Co.

US
US 984253-2ex herb. Cal. Academy of Sciences   s.n.
United States, California, Olema

US
US 1439641-2A. Eastwood   179661930-05-10
United States, California, Los Baños Reserve

US
US 828840-2C. R. Orcutt   s.n.1884-06-10
United States, California, San Diego, Mesas

The Academy of Natural Sciences of Drexel University


PH
PH00748392F. M. Cota   13281932-05-00
United States, California, San Diego, Camp Kearney Mesa, near San Diego, 32.90373 -117.116136, 152m

PH
PH00748397unknown   s.n.1884-06-10
United States, California, San Diego, San Diego, 32.715329 -117.157255

PH
PH00748400C. R. Orcutt   s.n.1884-06-10
United States, California, San Diego, San Diego, 32.715329 -117.157255

University and Jepson Herbaria


UC
UC1607630Barbara Ertter   98071991-05-12
United States, California, Alameda, n Livermore (n of junction Bluebell Dr. & Hartford Ave.); Springtown wetlands, 37.726241 -121.748556, 200m

UC
UC1728011Vern Yadon   1998-05-07
United States, California, Monterey, BLM Lands e. of Hennekin's Ranch Rd. Fort Ord

UC
UC1751072Annetta M. Carter, Galen Smith, Mary Barnas   3007a1951-03-31
United States, California, Solano, Highway between Davis and Dixon., 38.49713 -121.79443


Page 1, records 1-100 of 219


Google Map

Google Maps is a web mapping service provided by Google that features a map that users can pan (by dragging the mouse) and zoom (by using the mouse wheel). Collection points are displayed as colored markers that when clicked on, displays the full information for that collection. When multiple species are queried (separated by semi-colons), different colored markers denote each individual species.

Google Earth (KML)

This creates an KML file that can be opened in the Google Earth mapping application. Note that you must have Google Earth installed on your computer to make use of this option.